What is CVE-2026-47070?

CVE-2026-47070 is a medium-severity vulnerability in Benoitc Hackney, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-05-25.

How severe is CVE-2026-47070?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Benoitc Hackney

CVE-2026-47070

Sensitive Data Exposure vulnerability in benoitc hackney allows Retrieve Embedded Sensitive Data. The HTTP/3 redirect handler in src/hackney_h3.erl passes the original request headers unchanged to the redirect target without performing any…

Vulnerability class: Open Redirect

EPSS: 0.000 (8.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Benoitc Hackney — versions 3.1.1, e61b7d04b7826847e1efe614106ef4d580c78eab

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Exploit, vendor-advisory, Patch, Vendor Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Patch, Third Party Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Patch, Third Party Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Patch, patch)

Frequently asked questions

What is CVE-2026-47070?: CVE-2026-47070 is a medium-severity vulnerability in Benoitc Hackney, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-05-25.
How severe is CVE-2026-47070?: Medium severity. CVSS v3 base score is 6.1 out of 10.